211147580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1508197}}^1$

素因数の和:1508213

約数の個数: 24

約数和(自身を含む): 506754528

約数和(自身を除く): 295606948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1508197, 3016394, 6032788, 7540985, 10557379, 15081970, 21114758, 30163940, 42229516, 52786895, 105573790, 211147580]

約数ペア:

[(1, 211147580), (2, 105573790), (4, 52786895), (5, 42229516), (7, 30163940), (10, 21114758), (14, 15081970), (20, 10557379), (28, 7540985), (35, 6032788), (70, 3016394), (140, 1508197)]